Identify the Elements That Are Oxidized and Reduced in the Following

Multiple Choice

Identify the elements that are oxidized and reduced in the following reaction.KClO₃(aq) + 6HBr(aq) $\rarr$ KCl(aq) + 3Br₂(l) + 3H₂O(l)

A) Br is oxidized and Cl is reduced
B) Cl is oxidized and H is reduced
C) H is oxidized and O is reduced
D) O is oxidized and Cl is reduced
E) Cl is oxidized and Br is reduced